American Precision Museum, Vermont

The American Precision Museum is museum of precision manufacturing, featuring a collection of hand and machine tools, housed in an old armory in the small Vermont town of Windsor. Among the museum's remarkable collections and displays of small-scale invention and industriousness are John Ernst Worrell Keely's 19th century Etheric Force Machine, a device that breaks down water into its "ether," and a large collection of tiny machine tool models made by a retired technician from Detroit named John Aschauer.